pingmonitor.sh

#!/bin/bash

anybarNotify () {
    (echo -n "$1" | nc -u -c -w 1 localhost 1738) &
}

if pgrep AnyBar > /dev/null; then
  echo "skip starting anybar"
else
  echo "starting anybar" 
  open -a AnyBar    
fi

while ! nc -zu localhost 1738; do sleep 1 && echo -n .; done;

echo "anybar is listening"

while true; do
    fping -c1 -t500 -q -a $1 >& /dev/null

    if [[ $? -eq 0 ]]; then
        echo "success"
        anybarNotify "purple"
    else 
        echo "failed"
        anybarNotify "red"
    fi
    sleep 1
done;